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A side-by-side comparison of GPT-5.1 and Qwen 3.5 397B, using the lowest price and highest limits found across every provider that offers each model.
| GPT-5.1 | Qwen 3.5 397B | |
|---|---|---|
| Providers | 43 | 44 |
| Cheapest input ($/M) | $0.1936 via DaoXE | $0 via Kenari |
| Cheapest output ($/M) | $1.5491 via DaoXE | $0 via Kenari |
| Max context | 400K | 262.1K |
| Max output | 128K | 262.1K |
| Released | Nov 1, 2025 | Feb 15, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | ImageText | ImageText |
| Output modalities | Text | Text |